
html,body{
  width: 100%;
  padding:0rem;
  margin: 0px;
}
.top{
    display: flex;
    align-items: center;
    flex-flow: row nowrap;
    justify-content: space-between;
    width: 70%;
    padding:10px 15%;
    border-bottom:1px solid #ededed;
}
.icon_box{
    display: flex;
    flex-flow: column;
    color:#1E9FFF
}
.icon_box>div:nth-child(1){
    font-family: STXingkai;
    font-size: 30px;
}
.tip{
    display: flex;
    align-items: center;
}
.main{
    height: 600px;
    width: 70%;
    margin-left: 15%;
}
.login_btn{
    font-weight: 800;
    font-size: 20px;
    margin-left: 10px;
}
#search_input{
    height: 20px;
    border-radius: 15px;
    border: 1px solid #1E9FFF ;
    padding: 5px;
    width: 200px;
}
#search_btn{
    border-radius: 15px;
    border: 1px solid #1E9FFF ;
    padding: 5px;
    background-color:#1E9FFF ;
}
.flex-between{
    display: flex;
    justify-content: space-between;
    flex-flow: row nowrap;
    padding-top: 20px;
}
.flex-1{
    flex: 1;
}
.util{
    display: flex;
    flex-flow: row nowrap;
    align-items: center;
}
#img_good{
    width: 28px;
    height: 28px;
    background-size: cover;
    background-image: url("../img/点赞.png");
}
#img_reserve{
    width: 28px;
    height: 28px;
    background-size: cover;
    margin-left: 20px;
    background-image: url("../img/收藏.png");
}
.comment_box{
    display: flex;
    flex-flow: row nowrap;
    padding: 10px 0;
    border-bottom: 1px solid #ededed ;
}
.chapter_innerbox{
    display: flex;
    flex-flow: row nowrap;
    padding:5px 0;
    justify-content: space-between;
    align-items: center;

}
.chapter_innerbox:hover{
    background-color: #fff;
    cursor: pointer;
}
.head-img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    border-radius: 50%;
}
#head-img {
    width: 50px;
    height: 50px;
    margin-right: 10px;
    border-radius: 50%;
}
.right_box{
    margin:0 20px ;
}
.chapter_box{
    background-color: #ededed;
    padding: 10px;
}
.duration {
    font-size: 12px;
    color: #757575;
    justify-self: flex-end;
}
.part {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-shrink: 1;
    font-size: 12px;
    white-space: nowrap;
    width: 235px;
}
#course_title{
    font-size: x-large;
    font-weight: bold;
}
.comment_time,.comment_approve{
    font-size: small;
    color: #3F3F3F;
}
#comment_approve_img{
    width: 20px;
    height: 20px;
    margin-left: 10px;
    border-radius: 50%;
}
#sign_out{
    cursor: pointer;
}
.person_box{
    display: flex;
    flex-flow: row nowrap;
    padding: 10px 0;
    cursor: pointer;
}
.hide{
    display: none;
}
#top_personal_signature{
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    font-size: 12px;
    color: #999;
    line-height: 16px;
    margin-top: 4px
}
#mycomment{
    width: 80%;
    height: 50px;
}
#send_comment{
    display: flex;
    flex-flow: row;
    align-items: center;
    margin-bottom: 20px;
}
#send_btn{
    width: 100px;
    margin-left: 15px
}
